diff --git a/requirements_dev.txt b/requirements_dev.txt
index 15bcedc..1e9098a 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -3,6 +3,6 @@ wheel==0.33.1
 twine==1.13.0
 pytest==4.4.1
 pytest-cov==2.6.1
-coveralls==1.7.0
+coveralls==4.0.1
 sphinx==2.0.1
 bump2version==0.5.10